2153750161 has 2 divisors, whose sum is σ = 2153750162. Its totient is φ = 2153750160.

The previous prime is 2153750113. The next prime is 2153750191. The reversal of 2153750161 is 1610573512.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2111953936 + 41796225 = 45956^2 + 6465^2 .

It is a cyclic number.

It is not a de Polignac number, because 2153750161 - 2⁷ = 2153750033 is a prime.

It is not a weakly prime, because it can be changed into another prime (2153750191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1076875080 + 1076875081.

It is an arithmetic number, because the mean of its divisors is an integer number (1076875081).

Almost surely, 2^2153750161 is an apocalyptic number.

It is an amenable number.

2153750161 is a deficient number, since it is larger than the sum of its proper divisors (1).

2153750161 is an equidigital number, since it uses as much as digits as its factorization.

2153750161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6300, while the sum is 31.

The square root of 2153750161 is about 46408.5138848466. The cubic root of 2153750161 is about 1291.4128624006.

The spelling of 2153750161 in words is "two billion, one hundred fifty-three million, seven hundred fifty thousand, one hundred sixty-one".